Class TelerikDropDownList<TItem, TValue>

The class for the DropDownList component.

Inheritance

System.Object

Telerik.Blazor.Components.Common.BaseComponent

DataBoundComponent<TItem>

TelerikSelectBase<TItem, TValue>

TelerikDropDownList<TItem, TValue>

Inherited Members

TelerikSelectBase<TItem, TValue>.OnParametersSetAsync()

TelerikSelectBase<TItem, TValue>.OnInitializedAsync()

TelerikSelectBase<TItem, TValue>.Dispose()

TelerikSelectBase<TItem, TValue>.FocusAsync()

TelerikSelectBase<TItem, TValue>.IPopupContainer.AddPopupSettings(DropdownPopupSettings)

TelerikSelectBase<TItem, TValue>.IPopupContainer.RemovePopupSettings(DropdownPopupSettings)

TelerikSelectBase<TItem, TValue>.CascadedEditContext

TelerikSelectBase<TItem, TValue>.FloatingLabel

TelerikSelectBase<TItem, TValue>.Id

TelerikSelectBase<TItem, TValue>.ValueField

TelerikSelectBase<TItem, TValue>.TextField

TelerikSelectBase<TItem, TValue>.GroupField

TelerikSelectBase<TItem, TValue>.HeaderTemplate

TelerikSelectBase<TItem, TValue>.FooterTemplate

TelerikSelectBase<TItem, TValue>.ItemTemplate

TelerikSelectBase<TItem, TValue>.Width

TelerikSelectBase<TItem, TValue>.Filterable

TelerikSelectBase<TItem, TValue>.AriaLabelledBy

TelerikSelectBase<TItem, TValue>.AriaDescribedBy

TelerikSelectBase<TItem, TValue>.ScrollMode

TelerikSelectBase<TItem, TValue>.ItemHeight

TelerikSelectBase<TItem, TValue>.PageSize

TelerikSelectBase<TItem, TValue>.Enabled

TelerikSelectBase<TItem, TValue>.ValueExpression

TelerikSelectBase<TItem, TValue>.ValueChanged

TelerikSelectBase<TItem, TValue>.Value

TelerikSelectBase<TItem, TValue>.TabIndex

TelerikSelectBase<TItem, TValue>.OnChange

TelerikSelectBase<TItem, TValue>.OnBlur

TelerikSelectBase<TItem, TValue>.FillMode

TelerikSelectBase<TItem, TValue>.Rounded

TelerikSelectBase<TItem, TValue>.Size

TelerikSelectBase<TItem, TValue>.ProcessingData

DataBoundComponent<TItem>.Rebind()

DataBoundComponent<TItem>.Data

Namespace: Telerik.Blazor.Components

Assembly: Telerik.Blazor.dll

Syntax

public class TelerikDropDownList<TItem, TValue> : TelerikSelectBase<TItem, TValue>, IDisposable, IPopupContainer, ILabelableInput

Type Parameters

TItem Type of the model if you cannot provide a Value.

TValue Type of the Value if you cannot provide a reference to it.

Constructors

TelerikDropDownList()

Declaration

public TelerikDropDownList()

Properties

DefaultItem

The default item to be displayed. Marked as obsolete, please, use DefaultText instead.

Declaration

public TItem DefaultItem { get; set; }

Property Value

TItem

DefaultText

Creates a default item to be shown when no value is selected. The value is set to default(TValue).

Declaration

public string DefaultText { get; set; }

Property Value

System.String

DropDownListSettings

Defines a renderfragment that contains all settings for the autocomplete. DropDownListPopupSettings.

Declaration

public RenderFragment DropDownListSettings { get; set; }

Property Value

Microsoft.AspNetCore.Components.RenderFragment

FilterDebounceDelay

Time in ms between the last typed symbol and the firing of the internal filter oninput event. Default is 150ms.

Declaration

public int FilterDebounceDelay { get; set; }

Property Value

System.Int32

FilterOperator

Defines the filter operator. Default value is StringFilterOperator.StartsWith.

Declaration

public StringFilterOperator FilterOperator { get; set; }

Property Value

StringFilterOperator

OnRead

Fires when the data source is read. Use this to attach your own filtering logic. Once attached, you must implement all such data source operations here, the Component will no longer perform them for you.

Declaration

public EventCallback<DropDownListReadEventArgs> OnRead { get; set; }

Property Value

Microsoft.AspNetCore.Components.EventCallback<DropDownListReadEventArgs>

TextField

Defines the TextField of the Data. Default value: "Text".

Declaration

public override string TextField { get; set; }

Property Value

System.String

Overrides

Telerik.Blazor.Components.Common.TelerikSelectBase<TItem, TValue>.TextField

ValueMapper

A callback function that returns an item that corresponds to the argument value. Used in virtual scrolling combined with OnRead to facilitate pre-selection of items that are not currently loaded.

Declaration

public Func<TValue, Task<TItem>> ValueMapper { get; set; }

Property Value

System.Func<TValue, System.Threading.Tasks.Task<TItem>>

ValueTemplate

Defines the value template of the DropDownList.

Declaration

public RenderFragment<TItem> ValueTemplate { get; set; }

Property Value

Microsoft.AspNetCore.Components.RenderFragment<TItem>

Methods

BuildRenderTree(RenderTreeBuilder)

Declaration

protected override void BuildRenderTree(RenderTreeBuilder __builder)

Parameters

Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder

Dispose()

Declaration

public override void Dispose()

Overrides

Telerik.Blazor.Components.Common.TelerikSelectBase<TItem, TValue>.Dispose()

OnAfterRenderAsync(Boolean)

Declaration

protected override Task OnAfterRenderAsync(bool firstRender)

Parameters

System.Boolean firstRender

Returns

System.Threading.Tasks.Task

Overrides

Telerik.Blazor.Components.Common.BaseComponent.OnAfterRenderAsync(System.Boolean)

OnParametersSetAsync()

Declaration

protected override Task OnParametersSetAsync()

Returns

System.Threading.Tasks.Task

Overrides

Telerik.Blazor.Components.Common.TelerikSelectBase<TItem, TValue>.OnParametersSetAsync()

SetParametersAsync(ParameterView)

Declaration

public override Task SetParametersAsync(ParameterView parameters)

Parameters

Microsoft.AspNetCore.Components.ParameterView parameters

Returns

System.Threading.Tasks.Task

Overrides

Telerik.Blazor.Components.Common.TelerikSelectBase<TItem, TValue>.SetParametersAsync(Microsoft.AspNetCore.Components.ParameterView)